Reference Guide

BIOS Settings Name Description Supported
Operating
System(s)
Possible values are:
• Disable
• Enable
Express Charge
Define the express charging.
Possible values are:
• Disable
• Enable
• Enable once
Microsoft Windows
Extend Post Time
Delays the time of action taken by the system after pressing
function keys such as F2,F12, etc. during post time.
Possible values are:
• 0 — Does not delay the time of action.
• 5 — Delays the time of action by 5 seconds.
• 10 — Delays the time of action by 10 seconds.
Microsoft Windows,
Linux
External Hotkey
Sets the External Hotkey to Scroll Lock or Disabled.
Possible values are:
• Disable
• Scroll lock
Microsoft Windows,
Linux
External USB Ports
Enable/disable external USB ports.
Possible values are:
• Disable
• Enable
Microsoft Windows,
Linux
External WLAN Activity LED
Enables or disables the external (lid-mounted) WLAN indicator
LED.
Possible values are:
• Disable — LED does not display the state of the WLAN
source activity.
• Enable — LED displays the state of the WLAN source
activity.
Microsoft Windows,
Linux
F12 POST Display
Enables or disables the F12 key at POST.
Possible values are:
• Disable
• Enable
Microsoft Windows,
Linux
F2 POST Display
Enables or disables the F2 key at POST.
Possible values are:
• Disable
• Enable
Microsoft Windows
Fan Control Override
Controls the speed of the fan. When enabled the fan runs at full
speed. When disabled, the fan controller uses the system
environmental data to set the fan at its optimal speed.
Possible values are:
• Disable
Microsoft Windows,
Linux
256 BIOS settings supported in Dell Command | Monitor 10.2.1